US3287142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating composition
Assignee: EIDP Inc
•
Filing: 1963-07-22
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Granted: 1966-11-22
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROTECTIVE COATING COMPOSITION CONSISTING ESSENTIALLY OF 25-5 PARTS BY WEIGHT VEHICLE OF AQUEOUS SODIUM SILICATE AND 75-95 PARTS BY WEIGHT PIGMENT OF A FINELY DIVIDED ZINC POWDER AND BARIUM METABORATE, SAID PIGMENT HAVING A ZINC/BARIUM METABORATE WEIGHT RATIO OF AOUT 75/25 TO 95/5, SAID SODIUM SILICATE SOLUTION CONSISTING ESSENTIALLY OF ABOUT 90-40 PARTS BY WEIGHT SODIUM SILICATE AND ABOUT 1-60 PARTS BY WEIGHT WATER.
Claim 2
Dependent Claim
65 words
A PROTECTIVE COATING COMPOSITION CONSISTING ESSENTIALLY OF 25-5 PARTS BY WEIGHT VEHICLE OF AQUEOUS SODIUM SILICATE AND 75-95 PARTS BY WEIGHT PIGMENT OF A FINELY DIVIDED ZINC POWDER AND BARIUM METABORATE, SAID PIGMENT HAVING A ZINC/BARIUM METABORATE WEIGHT RATIO OF AOUT 75/25 TO 95/5, SAID SODIUM SILICATE SOLUTION CONSISTING ESSENTIALLY OF ABOUT 90-40 PARTS BY WEIGHT SODIUM SILICATE AND ABOUT 1-60 PARTS BY WEIGHT WATER.
References Cited (Backward Citations)
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US2576372A
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US2944919A
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US2998328A
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US3033700A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |